Ang maitim na kuwento ng Tore ng Babel by Yapan, Alvin B.

Himala by Yapan, Alvin B.

Apokalipsis by Yapan, Alvin B.

Regalo by Yapan, Alvin B.

Ang bugtong ng manok at agila by Yapan, Alvin B.

Race & class.

Available for UP System via SAGE Journals

Urbanization and class in the Ilocos region by Turner, Mark Macdonald

Yarborough living in a city time forgot by Kahn, Howard M. 1932-

Social class and spatial problems by Buck, T. W.

The socially balanced neighbourhood unit by Mann, Peter H.